Xerox 4505/4505ps User Manual page 215

Figure A.5 Pin assignment for RS-422A
Signal Name
Chassis GND
Transmitted Data
Received Data
Request to Send
Clear to Send
Data Set Ready
Signal GND
Carrier Detect
N/C
Send Data Noninverted
Receive Data Noninverted
Send Data inverted
N/C
Receive Data Inverted
Data Terminal Ready
N/C
A p p e n d i x A : P r i n t e r a n d C a b l e S p e c i f i c a t i o n s
The interface signals and their associated pin assignments
are identified in the Figure A.5.
RS-422A
Pin #
Function
1 GND
2 - - - - - -
3 - - - - - -
4 - - - - - -
5 - - - - - -
6 - - - - - -
7 GND
8 - - - - - -
9, 10, 12 - - - - - -
11 Data
13 Data
14 Data
15, 17 – 19 - - - - - -
16 Data
20 - - - - - -
21 – 25 - - - - - -
C a b l e S p e c i f i c a t i o n s
Direction
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -
- - - - - -
From Printer
To Printer
From Printer
- - - - - -
To Printer
- - - - - -
- - - - - -
A-13